#ifndef EDITOR_H
#define EDITOR_H

#include "boxes/diagnostics.h"
#include "boxes/hover.h"
#include "editor/spans.h"
#include "io/knot.h"
#include "io/ui.h"
#include "ts/decl.h"
#include "utils/utils.h"

#define CHAR 0
#define WORD 1
#define LINE 2

#define EXTRA_META 4
#define INDENT_WIDTH 2

struct Editor {
  std::string filename;
  std::string uri;
  Knot *root;
  std::shared_mutex knot_mtx;
  Coord cursor;
  uint32_t cursor_preffered;
  Coord selection;
  bool selection_active;
  int selection_type;
  Coord position;
  Coord size;
  Coord scroll;
  TSSetMain ts;
  Queue<TSInputEdit> edit_queue;
  std::vector<Fold> folds;
  Spans spans;
  Spans word_spans;
  Spans hex_color_spans;
  uint32_t hooks[94];
  bool jumper_set;
  std::shared_mutex v_mtx;
  std::vector<VWarn> warnings;
  bool warnings_dirty;
  VAI ai;
  std::shared_mutex lsp_mtx;
  std::shared_ptr<struct LSPInstance> lsp;
  bool hover_active;
  HoverBox hover;
  bool diagnostics_active;
  DiagnosticBox diagnostics;
  int lsp_version = 1;
};

Editor *new_editor(const char *filename_arg, Coord position, Coord size);
void save_file(Editor *editor);
void free_editor(Editor *editor);
void render_editor(Editor *editor);
void fold(Editor *editor, uint32_t start_line, uint32_t end_line);
void cursor_up(Editor *editor, uint32_t number);
void cursor_down(Editor *editor, uint32_t number);
Coord move_left(Editor *editor, Coord cursor, uint32_t number);
Coord move_right(Editor *editor, Coord cursor, uint32_t number);
Coord move_left_pure(Editor *editor, Coord cursor, uint32_t number);
Coord move_right_pure(Editor *editor, Coord cursor, uint32_t number);
void cursor_left(Editor *editor, uint32_t number);
void cursor_right(Editor *editor, uint32_t number);
void scroll_up(Editor *editor, int32_t number);
void scroll_down(Editor *editor, uint32_t number);
void ensure_cursor(Editor *editor);
void indent_line(Editor *editor, uint32_t row);
void dedent_line(Editor *editor, uint32_t row);
void ensure_scroll(Editor *editor);
void handle_editor_event(Editor *editor, KeyEvent event);
void edit_erase(Editor *editor, Coord pos, int64_t len);
void edit_insert(Editor *editor, Coord pos, char *data, uint32_t len);
Coord editor_hit_test(Editor *editor, uint32_t x, uint32_t y);
char *get_selection(Editor *editor, uint32_t *out_len, Coord *out_start);
void editor_worker(Editor *editor);
void move_line_down(Editor *editor);
void move_line_up(Editor *editor);
void word_boundaries(Editor *editor, Coord coord, uint32_t *prev_col,
                     uint32_t *next_col, uint32_t *prev_clusters,
                     uint32_t *next_clusters);
void word_boundaries_exclusive(Editor *editor, Coord coord, uint32_t *prev_col,
                               uint32_t *next_col);
std::vector<Fold>::iterator find_fold_iter(Editor *editor, uint32_t line);
bool add_fold(Editor *editor, uint32_t start, uint32_t end);
bool remove_fold(Editor *editor, uint32_t line);
uint32_t leading_indent(const char *line, uint32_t len);
uint32_t get_indent(Editor *editor, Coord cursor);
bool closing_after_cursor(const char *line, uint32_t len, uint32_t col);
void editor_lsp_handle(Editor *editor, json msg);

inline void apply_hook_insertion(Editor *editor, uint32_t line, uint32_t rows) {
  for (auto &hook : editor->hooks)
    if (hook > line)
      hook += rows;
}

inline void apply_hook_deletion(Editor *editor, uint32_t removal_start,
                                uint32_t removal_end) {
  for (auto &hook : editor->hooks)
    if (hook > removal_start)
      hook -= removal_end - removal_start + 1;
}

#endif